{"schemaVersion":3,"id":"CVE-2023-31102","aliases":["UBUNTU-CVE-2023-31102","DEBIAN-CVE-2023-31102"],"status":"published","duplicateOf":null,"title":null,"description":"Ppmd7.c in 7-Zip before 23.00 allows an integer underflow and invalid read operation via a crafted 7Z archive.","dates":{"published":"2023-11-03T00:00:00.000Z","modified":"2024-09-06T13:43:35.116Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.8,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":4.6,"impact":9.8,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.8,"severity":"high","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.55211,"percentile":0.99031,"severity":"critical","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":-1.9240000000000035,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.57135},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.55211,"percentile":0.99031}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.57135,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.55211,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.55211,"percentile":0.99031}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-191","name":"Integer Underflow (Wrap or Wraparound)","description":"The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/191.html"}],"affected":[{"vendor":"7-zip","product":"7-zip","name":"7-Zip","label":"7-zip","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 22.01","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 22.01","eol":null,"hubHref":"/vendor/7-zip/7-zip"},{"vendor":"debian","product":"7zip","name":"7zip","label":"7zip","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/7zip","purlType":"deb","versions":[{"text":"< 22.01+really25.01+dfsg-0+deb12u1","noFixRecorded":false,"fixedIn":null},{"text":"< 23.01+dfsg-1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 22.01+really25.01+dfsg-0+deb12u1 | < 23.01+dfsg-1","eol":null,"hubHref":null},{"vendor":"debian","product":"p7zip","name":"p7zip","label":"p7zip","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/p7zip","purlType":"deb","versions":[{"text":"< 16.02+really25.01+dfsg-0+deb12u1","noFixRecorded":false,"fixedIn":null},{"text":"< 16.02+transitional.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 16.02+really25.01+dfsg-0+deb12u1 | < 16.02+transitional.1","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"7zip","name":"7zip","label":"7zip","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/7zip","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"netapp","product":"active_iq_unified_manager","name":"active iq unified manager","label":"active_iq_unified_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/active_iq_unified_manager"},{"vendor":"netapp","product":"oncommand_workflow_automation","name":"oncommand workflow automation","label":"oncommand_workflow_automation","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"na","noFixRecorded":false,"fixedIn":null}],"versionsText":"na","eol":null,"hubHref":"/vendor/netapp/oncommand_workflow_automation"}],"affectedCount":6,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.7-zip.org/download.html","label":"www.7-zip.org/download.html","hostname":"www.7-zip.org","tags":["Product"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-23-1165/","label":"www.zerodayinitiative.com/advisories/ZDI-23-1165/","hostname":"www.zerodayinitiative.com","tags":["REPORT","Third Party Advisory","VDB Entry"]},{"url":"https://sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/","label":"sourceforge.net/p/sevenzip/discussion/45797/thread/713c8a8269/","hostname":"sourceforge.net","tags":["REPORT","Issue Tracking","Release Notes"]},{"url":"https://security.netapp.com/advisory/ntap-20231110-0007/","label":"security.netapp.com/advisory/ntap-20231110-0007/","hostname":"security.netapp.com","tags":["Third Party Advisory"]},{"url":"https://ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/","label":"ds-security.com/post/integer-overflow-in-7-zip-cve-2023-31102/","hostname":"ds-security.com","tags":[]},{"url":"https://ubuntu.com/security/CVE-2023-31102","label":"ubuntu.com/security/CVE-2023-31102","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-31102","label":"www.cve.org/CVERecord?id=CVE-2023-31102","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-31102","label":"security-tracker.debian.org/tracker/CVE-2023-31102","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2023-11-03T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-06T13:43:35.116Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":42,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T17:18:44.855Z","stale":false,"partial":false}}